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<a class="jxr_linenumber" name="1" href="#1">1</a>   <em class="jxr_comment">/*</em>
<a class="jxr_linenumber" name="2" href="#2">2</a>   <em class="jxr_comment"> * To change this template, choose Tools | Templates</em>
<a class="jxr_linenumber" name="3" href="#3">3</a>   <em class="jxr_comment"> * and open the template in the editor.</em>
<a class="jxr_linenumber" name="4" href="#4">4</a>   <em class="jxr_comment"> */</em>
<a class="jxr_linenumber" name="5" href="#5">5</a>   <strong class="jxr_keyword">package</strong> com.googlecode.npuzzle.logic.astar;
<a class="jxr_linenumber" name="6" href="#6">6</a>   
<a class="jxr_linenumber" name="7" href="#7">7</a>   <strong class="jxr_keyword">import</strong> java.util.Set;
<a class="jxr_linenumber" name="8" href="#8">8</a>   
<a class="jxr_linenumber" name="9" href="#9">9</a>   <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="10" href="#10">10</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="11" href="#11">11</a>  <em class="jxr_javadoccomment"> * @author thiago</em>
<a class="jxr_linenumber" name="12" href="#12">12</a>  <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="13" href="#13">13</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">abstract</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../com/googlecode/npuzzle/logic/astar/Node.html">Node</a> <strong class="jxr_keyword">implements</strong> Comparable&lt;Node&gt; {
<a class="jxr_linenumber" name="14" href="#14">14</a>  
<a class="jxr_linenumber" name="15" href="#15">15</a>      <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">float</strong> cost;
<a class="jxr_linenumber" name="16" href="#16">16</a>      <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">float</strong> heuristic;
<a class="jxr_linenumber" name="17" href="#17">17</a>      <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">int</strong> depth;
<a class="jxr_linenumber" name="18" href="#18">18</a>      <strong class="jxr_keyword">protected</strong> <a href="../../../../../com/googlecode/npuzzle/logic/astar/Node.html">Node</a> parent;
<a class="jxr_linenumber" name="19" href="#19">19</a>  
<a class="jxr_linenumber" name="20" href="#20">20</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">float</strong> getCost() {
<a class="jxr_linenumber" name="21" href="#21">21</a>          <strong class="jxr_keyword">return</strong> cost;
<a class="jxr_linenumber" name="22" href="#22">22</a>      }
<a class="jxr_linenumber" name="23" href="#23">23</a>  
<a class="jxr_linenumber" name="24" href="#24">24</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setCost(<strong class="jxr_keyword">float</strong> cost) {
<a class="jxr_linenumber" name="25" href="#25">25</a>          <strong class="jxr_keyword">this</strong>.cost = cost;
<a class="jxr_linenumber" name="26" href="#26">26</a>      }
<a class="jxr_linenumber" name="27" href="#27">27</a>  
<a class="jxr_linenumber" name="28" href="#28">28</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> getDepth() {
<a class="jxr_linenumber" name="29" href="#29">29</a>          <strong class="jxr_keyword">return</strong> depth;
<a class="jxr_linenumber" name="30" href="#30">30</a>      }
<a class="jxr_linenumber" name="31" href="#31">31</a>  
<a class="jxr_linenumber" name="32" href="#32">32</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setDepth(<strong class="jxr_keyword">int</strong> depth) {
<a class="jxr_linenumber" name="33" href="#33">33</a>          <strong class="jxr_keyword">this</strong>.depth = depth;
<a class="jxr_linenumber" name="34" href="#34">34</a>      }
<a class="jxr_linenumber" name="35" href="#35">35</a>  
<a class="jxr_linenumber" name="36" href="#36">36</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">float</strong> getHeuristic() {
<a class="jxr_linenumber" name="37" href="#37">37</a>          <strong class="jxr_keyword">return</strong> heuristic;
<a class="jxr_linenumber" name="38" href="#38">38</a>      }
<a class="jxr_linenumber" name="39" href="#39">39</a>  
<a class="jxr_linenumber" name="40" href="#40">40</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setHeuristic(<strong class="jxr_keyword">float</strong> heuristic) {
<a class="jxr_linenumber" name="41" href="#41">41</a>          <strong class="jxr_keyword">this</strong>.heuristic = heuristic;
<a class="jxr_linenumber" name="42" href="#42">42</a>      }
<a class="jxr_linenumber" name="43" href="#43">43</a>  
<a class="jxr_linenumber" name="44" href="#44">44</a>      <strong class="jxr_keyword">public</strong> <a href="../../../../../com/googlecode/npuzzle/logic/astar/Node.html">Node</a> getParent() {
<a class="jxr_linenumber" name="45" href="#45">45</a>          <strong class="jxr_keyword">return</strong> parent;
<a class="jxr_linenumber" name="46" href="#46">46</a>      }
<a class="jxr_linenumber" name="47" href="#47">47</a>  
<a class="jxr_linenumber" name="48" href="#48">48</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> setParent(<a href="../../../../../com/googlecode/npuzzle/logic/astar/Node.html">Node</a> parent) {
<a class="jxr_linenumber" name="49" href="#49">49</a>          <strong class="jxr_keyword">if</strong> (parent != <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="50" href="#50">50</a>              depth = parent.depth + 1;
<a class="jxr_linenumber" name="51" href="#51">51</a>              <strong class="jxr_keyword">this</strong>.parent = parent;
<a class="jxr_linenumber" name="52" href="#52">52</a>              <strong class="jxr_keyword">return</strong> depth;
<a class="jxr_linenumber" name="53" href="#53">53</a>          } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="54" href="#54">54</a>              parent = <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="55" href="#55">55</a>              <strong class="jxr_keyword">return</strong> -1;
<a class="jxr_linenumber" name="56" href="#56">56</a>          }
<a class="jxr_linenumber" name="57" href="#57">57</a>      }
<a class="jxr_linenumber" name="58" href="#58">58</a>  
<a class="jxr_linenumber" name="59" href="#59">59</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">abstract</strong> Set&lt;Node&gt; getNeighbours();
<a class="jxr_linenumber" name="60" href="#60">60</a>  
<a class="jxr_linenumber" name="61" href="#61">61</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">abstract</strong> <strong class="jxr_keyword">float</strong> costDifference(<a href="../../../../../com/googlecode/npuzzle/logic/astar/Node.html">Node</a> other);
<a class="jxr_linenumber" name="62" href="#62">62</a>  }
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